The Food and Drug Administration has issued new rules for food labels for the first time in three decades. It's an update the agency says will help empower consumers to make healthier choices in the grocery store. Under the new guidelines, items previously denied the healthy label, like nuts and seeds, salmon, and other high-fat fish, would be included. But some staples, like white bread and heavily sweetened yogurt and cereals, will no longer qualify. Lindsey Smith Taillie, a nutrition epidemio